on today's DSLR video skills will explore the use a variable
ND filter to dial in the perfect exposure
Adorama TV presents DSLR video skills
with rich Harrington where you learn all about videography
and photography my money for charity for at around the TV
and today we're talking all about variable ND filters
now you may be used to using a variable ND filter for something like
long exposure photography or long exposure time lapse
remember the ND filter you can't dial in different amounts a filtration
and this is great if you're doing long exposure photography
but it's also great for shooting video wanna challenges when shooting video
is that you often can't make adjustments now you can of course
in between shots may be up to going to a menu maybe I'm older style and to the
traditional aperture ring
but most modern lenses don't have aperture rings it's all done with dials
and what's your role in the video you can't really change the shot but the
cool thing is
is with that very when the filter I could go between different types
exposure in fact this particular ND filter is going to give me
almost eight stops range there are ones that got the 10 stops
there's lotsa variety there and as you turn this
essentially dials in different amounts a
filtration or neutral density filter and it works really
really well art let's take a look at a couple a practical uses for video let me
roll through with the ND filter here
any suing a quite dark virtually all the way stop down
and as I open that up we could see more
this is a great way to refine exposure
hi this recharge in be sure to check out at aromas latest contest
and your chance to win great prizes perhaps you've dialed in one setting
and it's a little too bright you dial another setting it's a little too dark
well sometimes it's pretty hard to get those in between settings
but with the filter you can absolutely refiner
this monitor has some things to help me in fact I could push a button
and bring up a histogram and see what's going on so now as I just the exposure
you see that histogram oops I decide now goals not to move the histogram side to
side but to get the mid tones properly exposed
looks pretty good but I'm a tilt upwards and as I go up
and we start to get more the sky in the shot you see things are just a bit dark
its balance that out there I'm overexposed
right that looks pretty good
for the toppled the shah and let's pin down
and I can adjust here I'm open up a bit more when I'm on the bottom of the
jacket
and as i pan up into the sky
I could stop down slightly to cut down on exposure issues
additionally if the histogram sign up I could switch over to false color
and each colors indicating a region
here i'm open up for her jacket
and as i pan up and the shock it's brighter
stop down just a little bit
the nice thing is that this is designed to actually be turned even in fact in
the middle of a shot
what's good is it larger than the ring itself so you can get your hand along
the bottom here
and with a simple farm actually poll exposure
much like you learned about polling focus on our power focus episode now
mister pretty simple scenario the sign is up in the sky
as I tilt I'm going for a slightly darker area to a brighter
area but you can be really dramatic maybe you're going from indoors
outdoors when shooting or maybe you really want to deal with some
very tough conditions it's a bright sunny day with a lot of clouds and
between every single take the clouds are moving through and you constantly need
to adjust
rather than having to move lights are costly step in and change settings
within the camera
the quick turn other variable ND filter lets you dial in just the exposure you
want plus
you get that at a benefit up long exposure photography so you're not
shooting video
you can experiment with some great things like really late coming out
traffic or lights
or sunset the clouds it's a whole bunch upon now
you'll find a lot of these over at Adorama there's a bunch of different
ones that you could choose from
I'm using a Tiffen one here but there are other brands you can check out with
extensive customer reviews
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